Residential Mortgage Loan Underwriter (Contract)

Role Overview 

As a Part‑Time Residential Mortgage Loan Underwriter Consultant at JazzX AI, you will leverage your deep expertise in underwriting to build AI-technology to support mortgage underwriting activities. You will work closely with engineering, and product teams to convert real-world underwriting decisions into robust AI logic. 

Contract Duration: 6 months (potential to extend up to 12 months) 

Key Responsibilities:

• Underwriting & File Assessment
  • Underwrite a variety of residential mortgage loan files (purchase, rate‑term refinance, cash‑out refinance) per Fannie Mae DU and Freddie Mac LP guidelines.
  • Document underwriting rationale, risk profiles, and exception handling. 

• Process Mapping & Rule Development
  • Deconstruct end-to-end underwriting workflows—from borrower qualification and income/asset verification to AUS findings and final approval.
  • Identify critical decision points and edge cases crucial for AI modeling. 

• Model Validation & Feedback
  • Blind-test AI-generated underwriting recommendations against manual assessments.
  • Provide granular feedback to engineering teams to fine-tune decision rules and confidence thresholds. 

• Knowledge Transfer & Training
  • Create clear, actionable guides on complex topics (e.g., compensating factors, manual AUS overrides, GSE compliance).
  • Host virtual workshops or Q&A sessions to transfer domain knowledge to cross-functional teams. 

Required Qualifications 

• Experience: 4–10 years in residential mortgage underwriting at a senior or specialist level.
• GSE Mastery: Deep, hands-on knowledge of Fannie Mae DU and/or Freddie Mac LP guidelines.
• Analytical Acumen: Proven ability to assess borrower credit, income, assets, and collateral with accuracy and consistency.
• Communication: Exceptional verbal and written skills to articulate underwriting logic and decision processes.
• Consulting Approach: Comfortable in an iterative environment, providing structured feedback to product and engineering teams. 

Preferred Qualifications 

• Experience at large retail or independent mortgage lenders (e.g., Wells Fargo, Rocket Mortgage, Chase).
• Background in manual underwriting, AUS overrides, or secondary market delivery.
• Familiarity with post-closing QC, servicing reviews, and secondary market delivery processes.
• Prior involvement in technology or automation initiatives within mortgage operations.